Functional properties

Acoustic and heat insulation values do not only depend in materials properties but also in the design solution. It is important to integrate the properties discussed in our deign to improve the insulation of the panels because possible mistakes will reduce the calculated insulation properties of the material. Sound leaks, like water leaks, must be prevented because sound will travel through any size opening with little loss
Gaps and cracks have negative influence in the total sound insulation of a structure. Rigid connections are needed to avoid reduction. Coupling1 between leafs and flanking sound transmission2 can also reduce the sound insulation of a cavity construction, and must taken seriously into concern.
• Sound leak at intersection of masonry wall and ceiling
• Sound leak at edge joint (due to deflection of floor slab and lack of sealant)
Heat resistance can also have big losses because of poor design and detailing. In thermal bridges the level of heat resistance is much lower.


About Menelaos Kokkinos

Menelaos Kokkinos TU Delft
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One Response to Functional properties

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